Home / 8,920.68-13,376.84-5,224.02

Finding the Fourth Proportional to 8,920.68, 13,376.84 and 5,224.02

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Solution

The fourth proportional to 8,920.68, 13,376.84 and 5,224.02 is: 7,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.68 : 13,376.84 = 5,224.02 : x
  2. Step 2: Convert to fraction form
    8,920.68/13,376.84 = 5,224.02/x
  3. Step 3: Cross multiply
    8,920.68x = 13,376.84 × 5,224.02
  4. Step 4: Simplify right side
    8,920.68x = 69,880,853.58
  5. Step 5: Solve for x
    x = 69,880,853.58/8,920.68
  6. Step 6: Final answer
    x = 7,833.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.